Finding the Fourth Proportional to 457,804.80, 686,998.80 and 268,264.80
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Solution
The fourth proportional to 457,804.80, 686,998.80 and 268,264.80 is: 402,568.07
Step by Step Solution
- Step 1: Write the proportion equation
457,804.80 : 686,998.80 = 268,264.80 : x - Step 2: Convert to fraction form
457,804.80/686,998.80 = 268,264.80/x - Step 3: Cross multiply
457,804.80x = 686,998.80 × 268,264.80 - Step 4: Simplify right side
457,804.80x = 184,297,595,682.24 - Step 5: Solve for x
x = 184,297,595,682.24/457,804.80 - Step 6: Final answer
x = 402,568.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.